1.

Using properties of determinants, prove that ∣∣∣∣11+p1+p+q34+3p2+4p+3q47+4p2+7p+4q∣∣∣∣=1.

Answer» Using properties of determinants, prove that
11+p1+p+q34+3p2+4p+3q47+4p2+7p+4q
=1.


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